Includes: (1) 1/2" PEX x 1/2" PB (polybutylene) coupling

Made of lead-free brass, approved for potable water use.

Compatible with all types and brands of PB and PEX Tubing:

• Watts;
• Everhot;
• Viega;
• Nibco;
• Bow;
• etc.

and the following connection systems:
Crimp Connection System (PEX Crimp Tool + Copper Crimp Rings)